This Canadian exhibit with claims as the largest one man taxidermy collection in North America.

The remains of a town so thoroughly destroyed by French forces that the citizens simply left.

This constantly evolving art space saved an Italian town from its own crippling reputation.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This ancient subterranean megalopolis is known for the hot oil traps that were installed above each of its entrances.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

A 16th-century horror show built in a lovely Italian garden.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

Despite being pillaged and destroyed a number over times down the centuries, this historic church still sort of stands.

Sitting right on the border between East and West Jerusalem this modern art museum is in itself a symbol of Israel's hoped-for unity.

Through a collection of modern bric-a-brac this museum tells the story of the Jewish people from Biblical times to today.